Answered: Z AXIS A E X AXIS Y AXIS LEGEND: A:…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Based on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic?

a.You can produce a room-temperature non-fragile 225C oven-safe food container with at least one material from the above table using this process and a 280C nozzle

b.You can use this process to print plastic or brittle objects but not elastomers and rubbers

c.Manufacturing a thermoplastic HDPE hose with an extrusion nozzle heated to 175C is possible with this process

d.You can print thermoplastic and thermoset polymers with this process, you only need to make sure that the nozzle specs and the crosslinking conditions match the polymer requirements

e.This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process

AXIS
A
E
X AXIS
Y AXIS
LEGEND:
A : Extruder
B: Nozzle
C: Printed part
D: Hot plate
E: Filament
Table 15.2 Melting and Glass Transition Temperatures for Some
of the More Common Polymeric Materials
Material
Polyethylene (low density)
Polytetrafluoroethylene
Polyethylene (high density)
Polypropylene
Nylon 6,6
Polyester (PET)
Poly(vinyl chloride)
Polystyrene
Polycarbonate
Glass Transition
Temperature
[°C (°F)]
-110 (-165)
-97 (-140)
-90 (-130)
-18 (0)
57 (135)
69 (155)
87 (190)
100 (212)
150 (300)
Melting
Temperature
[°C (°F)]
115 (240)
327 (620)
137 (279)
175 (347)
265 (510)
265 (510)
212 (415)
240 (465)
265 (510)

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